HIGH-PERFORMANCE: Add four SATA III 6Gbps ports to your desktop computer or server using a PCIe x1 slot to connect SATA drives (HDD/SSD); 4-Port SATA PCIe card features 4x SATA connections for connecting drives using SATA cables (sold separately) MARVELL RAID CONTROLLER: JBOD or Hardware RAID 0, 1, and 1+0 modes can be configured through BIOS - HyperDuo feature allocates frequently accessed files to faster SSD drive - Supports Port Multiplier, Native Command Queuing (NCQ) and ATA/ATAPI commands COMPATIBILITY: Supports PCIe 2.0, SATA III & AHCI specs and backwards compatible w/ earlier versions - Supports Windows, Mac, and Linux and is also compatible with Optical/Blu-Ray drives - NOTE: HyperDuo configuration supported in Windows only EASY INSTALL: Expansion card includes full and low-profile brackets for PCIe slot compatibility - Marvell Storage Utility software included for card configuration and drive management